Respuesta :
Answer:
The answer is "larger than 17%".
Explanation:
Assume the sum of investment as B is more than A:
In part A:
A B Increment
Purchase(assumed) 100 150 50
Departure Rate 14% 17%
Return 14 25.5 11.5
The rate of return increases[tex]( \frac{11.5}{50} \times 100)[/tex] 23
In part B:
A B Increment
Purchase(assumed) 100 120 20
Departure Rate 14% 17%
Return 14 20.4 6.4
The rate of return increases[tex]( \frac{6.4}{20} \times 100)[/tex] 32
